device-drivers: acpi: fix file names

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
device-drivers: acpi: fixes

Obsolete code updated to the actual kernel ACPI API.
Changed test-cases handling from ioctl to sysfs.
User-space program rewritten.
User-space program loads/unloads kernel module.
Added new test-cases: traverse ACPI devices and sysfs support
for device description.

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
device-drivers: acpi: enable build and run

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>